Hygro-Thermometer Anemometer/Data Logger

Specifications

Relative Humidity

• Sensing Element : Thin film capacitive type
• Accuracy : ¡¾2% R.H. ¡¾1 digit
• Temperature Drift : 0.5% R.H. per 18¡ÆF/10¡ÆC
• Range : 5% to 95% R.H.
• Resolution : 0.1% R.H.
• Response time : up to 90% of fluctuation in 10 sec.

Temperature

• Sensing Element : RTD Sensor (Pt 100)
• Range : -5¡Æ to +175¡ÆF . -20¡Æ to +80¡ÆC
• Accuracy : ¡¾0.2% of reading ¡¾1 digit
• Resolution : 0.7¡ÆF or 0.4¡ÆC
• Response time : Approx. 60 sec.

General

• Display : 13 mm LCD, 9999 digits
• Data Acquisition : Storage capacity up to 1000 triple measurements
• Data Link : Standard RS 232 C, including handshake signals CTS and RTS
• Baud Rate : 1200 bps standard
• Analog Outputs : 3 separate outputs 0-2 Volts
• Operating Temperature
  • Instrument : 32¡Æ to 125¡ÆF (0¡Æ to 50¡ÆC)
  • Humidity Probe : -5¡Æ to 175¡ÆF (-20¡Æ to 80¡ÆC)
  • Probe Heads : -22¡Æ to 212¡ÆF (-30¡Æ to 100¡ÆC)
• Power Supply : 9 V Alkaline battery
• Dimensions : 5.9 x 3.2 x 1.2"
• Humidity Probe : 7" x 1"
• Probe Head 275 : 2.75" dia.
• Probe Head 100 : 1" dia.

Special Features (due to Microprocessor)

• Very high accuracy.
• Display switchable in ¡ÆF or ¡ÆC for temperature and FPM or MPS for Airflow.
• Memory circuit for Maximum, Minimum and Average.
• Display of calculated Dewpoint in ¡ÆF or ¡ÆC.
• Data acquisition for up to 1000 triple measurements (Humidity, Temperature, and Air Flow).
• Serial output through standard RS 232 C Data-link.
• 3 separate analog outputs.
• Automatic Display and battery tests.
• User-friendly keypad for easy operation.

HTA 4200 is supplied with

• 1 Humidity/Temperature probe
• 3 Extension rods
• 1 Flexible rod
• 1 RS 232 C adapter cable
• 1 Carrying case
• 1 Airflow/Temperature probe head(either probe 275 or 100).
• 1 Extension cable
• 1 Analog output cable.